Perpendicular Symbol

Symbol Format Data
Code Point
Symbol Table


In geometry, the perpendicular symbol is used to show that two lines are perpendicular lines to eachother. Visually, the symbol is made up of two lines which form a perpendicular angle. Typically the perpendicular symbol is used in an expression like this:

In plain langauge this means that the line defined by the two points and and the other line defined by the two points and are perpendicular to each other.


right tack

The right tack symbol.

left tack

The left tack symbol.

down tack

Raised interpolation marker


Perpendicular Lines

The symbol for two perpendicular lines is a horizontal line with another line drawn perpendicular to it.

Perpendicular Angle

A perpendicular angle is visually denoted by drawing a square at the vertex of the angle. The measured angle is equal to π/2 radians or 90°.

Perpendicular Lines

A Perpendicular angle, sometimes also referred to as a square angle, is exactly 90 degrees or PI fourths.